Electronic device comprising antenna

Abstract

An electronic device includes a metal housing, a conductive member disposed adjacent to the metal housing, a plurality of ground parts including a first ground part electrically connected with a first point of the conductive member and a second ground part electrically connected with a second point of the conductive member, a ground plate electrically connected with the metal housing and electrically connected with the conductive member via the plurality of ground parts, and a feeding part electrically connected with the conductive member.

What is claimed is: 
     
       1. An electronic device comprising:
 a metal housing; 
 a conductive member disposed adjacent to the metal housing; 
 a plurality of ground parts including a first ground part electrically connected with a first point of the conductive member, a second ground part, and a third ground part; 
 a ground plate electrically connected with the metal housing and the plurality of ground parts, and electrically connected with the conductive member via the first ground part and one of the second ground part or the third ground part; 
 a feeding part electrically connected with the conductive member; and 
 at least one switch configured to connect a second point of the conductive member to the second ground part or to the third ground part, 
 wherein the second ground part includes a capacitive element and the third ground part includes an inductive element, and 
 wherein an electrical length of the second ground part is different from an electrical length of the third ground part. 
 
     
     
       2. The electronic device of  claim 1 , wherein the feeding part is electrically connected with the conductive member via one of the first point of the conductive member and the second point of the conductive member. 
     
     
       3. The electronic device of  claim 1 , further comprising:
 a capacitor electrically connected with the metal housing and the ground plate. 
 
     
     
       4. The electronic device of  claim 1 , wherein the metal housing is disposed to cover at least part of a rear surface of the electronic device. 
     
     
       5. The electronic device of  claim 1 , wherein the conductive member is disposed to cover at least part of a side surface of the electronic device. 
     
     
       6. The electronic device of  claim 1 , wherein each of at least some of the plurality of ground parts includes a lumped element. 
     
     
       7. The electronic device of  claim 1 , further comprising:
 a nonconductive member interposed between the metal housing and the conductive member to allow the conductive member to be spaced apart from the metal housing. 
 
     
     
       8. The electronic device of  claim 1 , wherein the ground plate is disposed within a space defined by the metal housing and the conductive member. 
     
     
       9. The electronic device of  claim 1 , further comprising a processor electrically connected with the at least one switch,
 wherein the processor is configured to control the at least one switch based on a frequency band to be used. 
 
     
     
       10. The electronic device of  claim 1 , wherein the at least one switch comprises:
 a first switch disposed on the second ground part and configured to adjust making and breaking of the second ground part; and 
 a second switch disposed on the third ground part and configured to adjust making and breaking of the third ground part. 
 
     
     
       11. An electronic device comprising:
 a metal housing; 
 a nonconductive member being in contact with the metal housing; 
 a conductive member being in contact with the nonconductive member, spaced apart from the metal housing by the nonconductive member, and electrically coupled with the metal housing; 
 a plurality of ground parts including a first ground part electrically connected with a first point of the conductive member, a second ground part, and a third ground part; 
 a ground plate electrically connected with the metal housing and the plurality of ground parts, and electrically connected with the conductive member via the first ground part and one of the second ground part or the third ground part; and 
 a feeding part electrically connected with the conductive member; and 
 at least one switch configured to connect a second point of the conductive member to the second ground part or to the third ground part, 
 wherein the second ground part includes a capacitive element and the third ground part includes an inductive element, and 
 wherein an electrical length of the second ground part is different from an electrical length of the third ground part. 
 
     
     
       12. An electronic device comprising:
 a metal housing in which a slot is formed; 
 a printed circuit board disposed in parallel with the metal housing, wherein a partial region of the printed circuit board corresponding to the slot being formed of a nonconductive material; 
 a plurality of electrical paths including a first electrical path, a second electrical path, and a third electric path, wherein the first electrical path connects a first point of the printed circuit board adjacent to the partial region and a first point of the metal housing adjacent to the slot, the second electrical path connects a second point of the printed circuit board adjacent to the partial region and a second point of the metal housing adjacent to the slot, and the third electrical path connects a third point of the printed circuit board adjacent to the partial region and the second point of the metal housing; 
 a switch configured to adjust making and breaking of the second electrical path or the third electrical path; 
 a ground plate electrically connected with the metal housing and the printed circuit board; and 
 a feeding part electrically connected with the second point of the printed circuit board, 
 wherein the second electrical path includes a capacitive element and the third electrical path includes an inductive element, and 
 wherein an electrical length of the second electrical path is different from an electrical length of the third electrical path. 
 
     
     
       13. The electronic device of  claim 12 , wherein each of the metal housing and the printed circuit board is an antenna resonant element. 
     
     
       14. The electronic device of  claim 12 , wherein an area of the partial region of the printed circuit board is wider than an area of the slot of the metal housing. 
     
     
       15. The electronic device of  claim 14 , wherein the printed circuit board is a loop antenna resonant element, and the metal housing is a slot antenna resonant element. 
     
     
       16. The electronic device of  claim 12 , wherein the metal housing is disposed to cover at least part of a rear surface of the electronic device.